Andrena (Micrandrena) spreta Pérez, 1895, female A terga, dorsal view; Andrena (Micrandrena) omnilaevis Wood, 2020, female B terga, dorsal view; Andrena (Micrandrena) anthrisci Blüthgen, 1925, female C terga, dorsal view; Andrena (Micrandrena) pauxilla Stöckhert, 1935, female D terga, dorsal view; Andrena (Micrandrena) bayona Warncke 1975, female E terga, dorsal view; Andrena (Micrandrena) minutula (Kirby, 1802), female F terga, dorsal view (gradulus indicated by white arrow); Andrena (Micrandrena) minutuloides Perkins, 1914, female G terga, dorsal view (gradulus indicated by white arrow); Andrena (Micrandrena) falsifica Perkins, 1915, female H terga, dorsal view.